WiFi “Standards”

I just downgraded my access point from WPA2-PSK/CCMP+TKIP to WPA1-PSK/TKIP. This was the only way I could satisfy my MacBooks, PCI WiFi cards, and Airport Expresses. Grrr. I want my Saturday morning back.

If the best thing about standards is that there are so many to choose from, the next best thing is that there are so many (incompatible) ways to implement whichever one you pick.


2 Responses to “WiFi “Standards””

  1. 1 Alkivar November 3, 2007 at 2:42 pm

    Apparently this is a known problem…. your router wouldnt happen to be a dlink would it?


    apparently the problem traces back to a Feb 2007 airport update.

    all MacBooks should however support WPA2 PSK/TKIP and AES with the latest airport update…

  2. 2 Mark November 3, 2007 at 7:05 pm

    No, actually I run madwifi [1] and hostapd [2] on my Linux box for an AP/router.

    The MacBooks definitely got *more* compatible earlier this year, which jives with your Feb 07 airport update comment. These days, they pretty much work fine regardless of how I setup the AP. Mostly my problems were with other devices:

    The APEs don’t like WPA2-PSK/CCMP+TKIP. They screw up part way through the association step. I can fix this by switching to WPA2-PSK/TKIP, but then I’ve got a PCI WiFi NIC that can’t associate. That card seems to like WPA2-PSK/CCMP. Switching to WPA1-PSK/TKIP was the only way I could make everyone happy.

    [1] http://madwifi.org/
    [2] http://hostap.epitest.fi/hostapd/

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